
/*!
 * layui Build
*/

var pkg = require('./package.json');
//var inds = pkg.independents;

var gulp = require('gulp');
var uglify = require('gulp-uglify');
var minify = require('gulp-minify-css');
var concat = require('gulp-concat');
var rename = require('gulp-rename');
var replace = require('gulp-replace');
var header = require('gulp-header');
//var footer = require('gulp-footer');
var del = require('del');
//var gulpif = require('gulp-if');
var minimist = require('minimist');
//var zip = require('gulp-zip');



//获取参数
var argv = require('minimist')(process.argv.slice(2), {
  default: {
    ver: 'all'
  }
})

  //注释
  , note = [
    // '/*! <%= pkg.realname %> v<%= pkg.version %> | Released under the <%= pkg.license %> license */\n <%= js %>'
    '/*! <%= pkg.license %> Licensed */<%= js %>'
    , { pkg: pkg, js: ';' }
  ]

  //模块
  , mods = 'lay,laytpl,laypage,laydate,jquery,layer,util,element,upload,dropdown,slider,colorpicker,form,tree,transfer,table,carousel,rate,flow,layedit,code'

  //发行版本目录
  , releaseDir = './release/zip/layui-v' + pkg.version
  , release = releaseDir + '/layui'

  //目标木
  , destDir = function (ver) {
    return ver ? release : function () {
      return argv.rc ? 'rc' : 'dist'
    }();
  }

  //任务
  , task = {
    //聚合 JS 文件
    alljs: function (ver) {
      var src = [
        './src/**/{layui,layui.all,' + mods + '}.js'
      ]
        , dir = destDir(ver);

      return gulp.src(src).pipe(uglify({
        output: {
          ascii_only: true //escape Unicode characters in strings and regexps
        }
      }))
        .pipe(concat('layui.js', { newLine: '' }))
        .pipe(header.apply(null, note))
        .pipe(gulp.dest('./' + dir));
    }

    //压缩 css 文件
    , mincss: function (ver) {
      var src = [
        './src/css/**/*.css'
        , '!./src/css/**/font.css'
      ]
        , dir = destDir(ver)
        , noteNew = JSON.parse(JSON.stringify(note));

      noteNew[1].js = '';

      return gulp.src(src).pipe(minify({
        compatibility: 'ie7'
      })) //.pipe(header.apply(null, noteNew))
        .pipe(gulp.dest('./' + dir + '/css'));
    }

    //复制iconfont文件
    , font: function (ver) {
      var dir = destDir(ver);

      return gulp.src('./src/font/*')
        .pipe(rename({}))
        .pipe(gulp.dest('./' + dir + '/font'));
    }

    //复制组件可能所需的非css和js资源
    , mv: function (ver) {
      var src = ['./src/**/*.{png,jpg,gif,html,mp3,json}']
        , dir = destDir(ver);

      gulp.src(src).pipe(rename({}))
        .pipe(gulp.dest('./' + dir));
    }

    //复制发行的引导文件
    , release: function () {
      gulp.src('./release/doc/**/*')
        .pipe(replace('http://local.res.layui.com/layui/dist/', 'layui/'))
        .pipe(gulp.dest(releaseDir));
    }
  };

//清理
gulp.task('clear', function (cb) {
  return del(['./' + (argv.rc ? 'rc' : 'dist') + '/*'], cb);
});
gulp.task('clearRelease', function (cb) {
  return del([releaseDir], cb);
});

gulp.task('alljs', task.alljs);
gulp.task('mincss', task.mincss);
gulp.task('font', task.font);
gulp.task('mv', task.mv);
gulp.task('release', task.release);

//完整任务 gulp
gulp.task('default', ['clear'], function () { //rc 版：gulp --rc
  for (var key in task) {
    task[key]();
  }
});

//发行版 gulp rls
gulp.task('rls', ['clearRelease'], function () { // gulp rls
  for (var key in task) {
    task[key]('release');
  }
});

//打包 layer 单独版
gulp.task('layer', function () {
  var dir = './release/layer';

  gulp.src('./src/css/modules/layer/default/*')
    .pipe(gulp.dest(dir + '/src/theme/default'));

  return gulp.src('./src/modules/layer.js')
    .pipe(gulp.dest(dir + '/src'));
});


//打包 layDate 单独版
gulp.task('laydate', function () {
  //发行目录
  var dir = './release/laydate'

    //注释
    , notes = [
      '\n/*! \n * <%= title %> \n * <%= license %> Licensed \n */ \n\n'
      , { title: 'layDate 日期与时间组件（单独版）', license: 'MIT' }
    ];

  //合并所依赖的 css 文件
  gulp.src('./src/css/modules/laydate/default/{font,laydate}.css')
    .pipe(concat('laydate.css', { newLine: '\n\n' }))
    .pipe(gulp.dest(dir + '/src/theme/default'));

  //合并所依赖的 js 文件
  return gulp.src(['./src/layui.js', './src/modules/{lay,laydate}.js'])
    .pipe(replace('win.layui =', 'var layui =')) //将 layui 替换为局部变量
    .pipe(replace('}(window); //gulp build: layui-footer', '')) //替换 layui.js 的落脚
    .pipe(replace(';!function(window){ //gulp build: lay-header', '')) //替换 lay.js 的头部

    .pipe(concat('laydate.js', { newLine: '' }))
    .pipe(header.apply(null, notes)) //追加头部
    .pipe(gulp.dest(dir + '/src'));
});








//serve https://www.cnblogs.com/tugenhua0707/p/5256367.html
/*var connect = require('gulp-connect');
gulp.task('serve', function () {
  connect.server({
    livereload: true
  });
});*/
